package jdbc;

import com.alibaba.druid.pool.DruidDataSource;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;

public class DBUtil {
    private static DruidDataSource  dataSource = new DruidDataSource();
    static {
       /* try {
            Class.forName("com.mysql.cj.jdbc.Driver");
        } catch (ClassNotFoundException e) {
            e.printStackTrace();
        }*/
        dataSource.setDriverClassName("com.mysql.cj.jdbc.Driver");
        dataSource.setUrl("jdbc:mysql://localhost:3306/tedu?characterEncoding=utf8&useSSL=false&serverTimezone=Asia/Shanghai&rewriteBatchedStatements=true");
        dataSource.setUsername("root");
        dataSource.setPassword("ROOT");
        dataSource.setInitialSize(5);//初始连接数
        dataSource.setMaxActive(10);//最大连接数
        dataSource.setMaxWait(5000);
        dataSource.setMinIdle(5);
    }
public static Connection getConnection() throws  SQLException {
   /* return DriverManager.getConnection(
            "jdbc:mysql://localhost:3306/tedu?characterEncoding=utf8&useSSL=false&serverTimezone=Asia/Shanghai&rewriteBatchedStatements=true",
            "root",
            "ROOT"
    );*/
    return dataSource.getConnection();
        }
}